December 11, 2014 2:30 am Fallon, Walhberg Play Slapjack Jimmy Fallon and Mark Wahlberg compete in a high-stakes game of blackjack where the loser of each round gets smacked in the face with a giant rubber hand. US & World Videos 1:16 Prince Harry and Meghan Markle look chic at charity polo game on last day In Nigeria 2:05 Kim Kardashian throws son Psalm epic ‘Ghostbusters'-themed 5th birthday 1:14 Prince Harry photobombs Meghan Markle's selfie in Nigeria 4:41 How ‘Bachelorette' Hannah Brown knew fiancé Adam Woolard was the one 6:04 Matt Rife reveals wildest gift a fan gave him